122151541451 has 16 divisors (see below), whose sum is σ = 128168698560. Its totient is φ = 116256591360.

The previous prime is 122151541441. The next prime is 122151541453. The reversal of 122151541451 is 154145151221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122151541451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122151541453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860471 + ... + 3891983.

It is an arithmetic number, because the mean of its divisors is an integer number (8010543660).

Almost surely, 2^122151541451 is an apocalyptic number.

122151541451 is a deficient number, since it is larger than the sum of its proper divisors (6017157109).

122151541451 is a wasteful number, since it uses less digits than its factorization.

122151541451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33446.

The product of its digits is 8000, while the sum is 32.

Adding to 122151541451 its reverse (154145151221), we get a palindrome (276296692672).

The spelling of 122151541451 in words is "one hundred twenty-two billion, one hundred fifty-one million, five hundred forty-one thousand, four hundred fifty-one".